Night Blindness Is Associated with

question 189

Multiple Choice

Night blindness is associated with

• A)loss of sensitivity to reds and greens (resulting in color weakness).
• B)blindness in the area of the fovea.
• C)possible enlargement of the blind spot.
• D)vitamin A deficiencies (resulting in retinal deficiencies).

---

Definitions:

Gestation

The period of development from the fertilization of an egg to the birth of an organism.

Progenitor Cells

Cells that have the capacity to differentiate into a specific type of cell but are more limited than stem cells in their ability to divide and replicate.

Stem Cells

undifferentiated cells capable of dividing to produce various other types of cells, offering potentials for tissue repair and regenerative medicine.

Cortex

The outer layer of the cerebrum in the brain, involved in many complex brain functions including memory, attention, perception, cognition, awareness, thought, language, and consciousness.